Home / 46,455.45-64,128.15-31,368.54

Finding the Fourth Proportional to 46,455.45, 64,128.15 and 31,368.54

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Solution

The fourth proportional to 46,455.45, 64,128.15 and 31,368.54 is: 43,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,455.45 : 64,128.15 = 31,368.54 : x
  2. Step 2: Convert to fraction form
    46,455.45/64,128.15 = 31,368.54/x
  3. Step 3: Cross multiply
    46,455.45x = 64,128.15 × 31,368.54
  4. Step 4: Simplify right side
    46,455.45x = 2,011,606,438.40
  5. Step 5: Solve for x
    x = 2,011,606,438.40/46,455.45
  6. Step 6: Final answer
    x = 43,301.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.